Global Patent Index - EP 2030973 A1

EP 2030973 A1 20090304 - Process for preparing 2-sulfinyl-1H-benzimidazoles

Title (en)

Process for preparing 2-sulfinyl-1H-benzimidazoles

Title (de)

Verfahren zur Herstellung von 2-Sulfinyl-1H-Benzimidazolen

Title (fr)

Procédé pour la préparation de 2-sulfinyl-1H-benzimidazoles

Publication

EP 2030973 A1 20090304 (EN)

Application

EP 07115432 A 20070831

Priority

EP 07115432 A 20070831

Abstract (en)

The present invention relates to a process for preparing 2-(2-pyridinylmethylsulfinyl)-1 H -benzimidazoles by oxidizing a thioether precursor in the presence of trifluoroethanol.

IPC 8 full level

C07D 401/12 (2006.01)

CPC (source: EP)

C07D 401/12 (2013.01)

Citation (search report)

  • [YD] WO 0121617 A1 20010329 - DAE WOONG PHARMA [KR], et al
  • [YD] WO 2004056803 A1 20040708 - CHEMI SPA [IT], et al
  • [YD] WO 2004011455 A1 20040205 - TEVA PHARMA [IL], et al
  • [YD] WO 03008406 A1 20030130 - JANSSEN PHARMACEUTICA NV [BE], et al
  • [Y] MIKAEL ERLANDSSON ET AL.: "3-(4-hydroxymethylphenylsulfanyl)- propionic acid (HMPPA) as a new safety catch linker in solid phase peptide synthesis", TETRAHEDRON LETTERS, vol. 47, 2006, pages 5829 - 5832, XP005534814
  • [Y] R. CURCI ET AL.: "Experiments bearing on the role of solvent in the oxidation of some organic compounds by peroxy acids", JOURNAL OF ORGANIC CHEMISTRY., vol. 35, no. 3, March 1970 (1970-03-01), USAMERICAN CHEMICAL SOCIETY. EASTON., pages 740 - 745, XP002469668
  • [Y] DESMARTEAU, DARRYL D. ET AL: "Mild and Selective Oxygenation of Sulfides to Sulfoxides and Sulfones by Perfluoro-cis-2,3-dialkyloxaziridines", JOURNAL OF ORGANIC CHEMISTRY , 59(10), 2762-5 CODEN: JOCEAH; ISSN: 0022-3263, 1994, XP002469669
  • [Y] GONZALEZ-NUNEZ, MARIA ELENA ET AL: "Mechanism of the Oxidation of Sulfides by Dioxiranes. 1. Intermediacy of a 10-S-4 Hypervalent Sulfur Adduct", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 124(31), 9154-9163 CODEN: JACSAT; ISSN: 0002-7863, 2002, XP002469670
  • [Y] YASUSHI IMADA ET AL.: "Flavin catalyzed oxidations of sulfides and amines with molecular Oxygen", J. AM. CHEM. SOC., vol. 125, 2003, pages 2869 - 2869, XP002469671

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 2030973 A1 20090304; EA 018796 B1 20131030; EA 201000379 A1 20100830; EP 2181107 A1 20100505; UA 105479 C2 20140526; WO 2009027533 A1 20090305

DOCDB simple family (application)

EP 07115432 A 20070831; EA 201000379 A 20080829; EP 08803427 A 20080829; EP 2008061443 W 20080829; UA A201003696 A 20080829